Encylopedia of Life has created a Google Earth tour of monarchs and their journey across North America. From geographic animations to citizen scientist and researcher interviews, this video covers information about overwintering, the migration, and breeding cycles.
http://www.youtube.com/watch?v=uqDwvuleRYc
This Google Earth Tour was produced by Eduardo Garcia Milagros, Ari Daniel Shapiro, Jay Allison and Atlantic Public Media. Licensed under a Creative Commons Non-Commercial license (http://creativecommons.org/licenses/by-nc/3.0/).